rom/dos/dosgetstring.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: DosGetString() - Support for localized strings.
   6     Lang: english
   7 */
   8
   9 #include "dos_intern.h"
  10
  11 /*****i***********************************************************************
  12
  13     NAME */
  14 #include <proto/dos.h>
  15
  16         AROS_LH1(STRPTR, DosGetString,
  17
  18 /*  SYNOPSIS */
  19         AROS_LHA(LONG, stringNum, D1),
  20
  21 /* LOCATION */
  22         struct DosLibrary *, DOSBase, 163, Dos)
  23
  24 /*  FUNCTION
  25         Internal DOS function, will return the string corresponding to
  26         the number stringNum.
  27
  28     INPUTS
  29         stringNum - The number of the string you want.
  30
  31     RESULT
  32         A pointer to a string, or NULL if no string could be found with
  33         a matching number.
  34
  35     NOTES
  36         Error strings will ALWAYS be less than 80 characters, and should
  37         ideally be less than 60 characters.
  38
  39         This is a private function, whose the only purpose is to be patched
  40         by locale.library.
  41
  42     EXAMPLE
  43
  44     BUGS
  45
  46     SEE ALSO
  47
  48     INTERNALS
  49         This is dosPrivate5()
  50
  51 ******************************************************************************/
  52 {
  53     AROS_LIBFUNC_INIT
  54
  55     LONG *p = DOSBase->dl_Errors->estr_Nums;
  56     UBYTE *q = DOSBase->dl_Errors->estr_Strings;
  57
  58     do
  59     {
  60         LONG n = p[0];
  61         LONG m = p[1];
  62
  63         while (n <= m)
  64         {
  65             if (n == stringNum)
  66                 return q + 1;
  67
  68             q += q[0] + 1;
  69             ++n;
  70         }
  71
  72         p += 2;
  73     }
  74     while (p[0] != 0);
  75
  76     return "undefined error";
  77
  78     AROS_LIBFUNC_EXIT
  79
  80 } /* DosGetString */